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KDC-9026R/PSW9527
KDC-W9027/X979
QQ
3 7 63 1515 0
Ref No.
Application / Functions
Q5
3.3V SW
Q6,200
FL 3.3V SW
Q7,8
Remote control ON SW
Q9
FL BLK SW
Q10
Display blackout LED SW
Q11
Red LED SW
SWITCH UNIT (X16-2560-10)
Ref No.
Application / Functions
Q1
DSI LED SW
Q2
KEY Illumination SW (Green)
Q3
KEY Illumination SW (Red)
Q4
KEY Illumination SW (Blue)
CD PLAYER UNIT (X32-5520-00)
Ref No.
Application / Functions
IC1
Motor driver
IC2
AVR
IC4
AVR
IC5
Mechanism control micro processor
IC6
PWM driver
TE
L 13942296513
IC7
DSP
IC8
EDO DRAM
IC9
AVR
IC10
LPF
Q1
Switching TR
Q2
Switching TR
Q6
Switching TR
Q7
Switching TR
Q8
APC
Q9
Driver
Q10
Switching TR
Q11
Switching TR
Q12
Switching TR
Q13
Switching TR
ELECTRIC UNIT (X34-3050-11/21, X34-3052-71/72)
Ref No.
Application / Functions
IC1
System control IC
IC2
E-VOL & tuner IC
IC3
Power supply IC
IC4
Audio power IC
www
IC7
Power supply IC
IC8
Reset IC
IC9
Muting logic IC
.
IC10
Buffer IC
IC11~13
OP AMP
IC14
RDS decoder
4
COMPONENTS DESCRIPTION
SW3.3V is turned on when Q5 base level goes L
FL +3.3V (VDD1) is turned on when Q200 base level goes H
The power supply of IC8, 10 is turned on when Q10 base level goes H
VFD is turned on when Q9 base level goes H
Green LED is turned on when Q10 base level goes H
Red LED is turned on when Q11 base level goes H
DSI LED blinks when Q1 base level goes H/L
KEY Illumination SW "ON" when the Q2 base level goes H
KEY Illumination SW "ON" when the Q3 base level goes H
KEY Illumination SW "ON" when the Q4 base level goes H
Loading & Eject motor driver
BU3.3V AVR
SW3.3V AVR (When CNTL is goes H, IC3 is actives)
-
Focus, Tracking coil, Feed and Spindle motor driver IC
CD signal processor, RF amp, Servo control, MP3 & WMA decoder
Date buffer (16MB)
Audio 3.3V AVR (When P-ON level goes H, Q12, 13 are turned ON)
Audio LPF
When MRST goes L, Q1 is turned ON
When Q1 goes ON, Q2 is turned ON
When Q7 goes ON, Q6 is turned ON
When P-On goes H, Q7 is turned ON
Auto power control & A 5V constant current circuit
1.6V AVR driver
Loading & Eject motor drive voltage selector
Guarantee of proper operation for between IC's Low level voltage
When Q13 base level goes H, Q12 is turned ON
When P-On goes H, Q13 is turned ON
System control microprocessor
E-VOL. FM/AM tuner & stereo decoder
For A8V AVR
Audio power amplifier
-9V AVR (For 4.5V Pre-out)
When BU5V line voltage is less than 3.5V, this IC output line is "L"
x
ao
u163
y
Control for MUTE, P-ANT & RESET muting
i
For spectrum analyzer
For 4.5V Pre-out
Decode for RDS signal
2 9
8
Operation / Condition / Compatibility
Operation / Condition / Compatibility
Operation / Condition / Compatibility
Q Q
3
6 7
1 3
1 5
Operation / Condition / Compatibility
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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